199641627140 has 24 divisors (see below), whose sum is σ = 441313071360. Its totient is φ = 75653669088.

The previous prime is 199641627137. The next prime is 199641627151. The reversal of 199641627140 is 41726146991.

199641627140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262685972 + ... + 262686731.

It is an arithmetic number, because the mean of its divisors is an integer number (18388044640).

Almost surely, 2^199641627140 is an apocalyptic number.

199641627140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199641627140 is an abundant number, since it is smaller than the sum of its proper divisors (241671444220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199641627140 is a wasteful number, since it uses less digits than its factorization.

199641627140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525372731 (or 525372729 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 199641627140 in words is "one hundred ninety-nine billion, six hundred forty-one million, six hundred twenty-seven thousand, one hundred forty".